package com.gpframework.module.controller.common;

import com.gpframework.common.config.GpframeworkConfig;
import com.gpframework.common.constant.Constants;
import com.gpframework.common.core.domain.AjaxResult;
import com.gpframework.common.utils.StringUtils;
import com.gpframework.common.utils.aliyOss.OssUtil;
import com.gpframework.common.utils.file.FileUploadUtils;
import com.gpframework.common.utils.file.FileUtils;
import com.gpframework.framework.config.ServerConfig;
import com.gpframework.framework.datasource.DynamicDataSourceContextHolder;
import com.gpframework.module.pay.utils.joinpay.sdk.utitls.StringUtil;
import com.gpframework.module.sys.domain.SysArea;
import com.gpframework.module.sys.service.ISysAreaService;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.*;
import org.springframework.web.multipart.MultipartFile;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.util.HashMap;
import java.util.Map;

/**
 * 通用请求处理
 *
 * @Author gpframework
 */
@RestController
@SuppressWarnings({"rawtypes", "unchecked"})
public class CommonController {
    private static final Logger log = LoggerFactory.getLogger(CommonController.class);

    @Autowired
    private ISysAreaService sysAreaService;

    /**
     * 通用下载请求
     *
     * @param fileName 文件名称
     * @param delete   是否删除
     */
    @GetMapping("common/download")
    public void fileDownload(String fileName, Boolean delete, HttpServletResponse response, HttpServletRequest request) {
        try {
            if (!FileUtils.isValidFilename(fileName)) {
                throw new Exception(StringUtils.format("文件名称({})非法，不允许下载。 ", fileName));
            }
            String realFileName = System.currentTimeMillis() + fileName.substring(fileName.indexOf("_") + 1);
            String filePath = GpframeworkConfig.getDownloadPath() + fileName;

            response.setCharacterEncoding("utf-8");
            response.setContentType("multipart/form-data");
            response.setHeader("Content-Disposition",
                    "attachment;fileName=" + FileUtils.setFileDownloadHeader(request, realFileName));
            FileUtils.writeBytes(filePath, response.getOutputStream());
            if (delete) {
                FileUtils.deleteFile(filePath);
            }
        } catch (Exception e) {
            log.error("下载文件失败", e);
        }
    }



    /**
     * 通用上传请求
     */
    @PostMapping("/common/aliyOss/upload")
    public AjaxResult uploadAliyOssFile(MultipartFile file) throws Exception {
        try {
            // 上传并返回新文件名称
            String fileName = OssUtil.uploadFileToOss(file);
            AjaxResult ajax = AjaxResult.success();
            Map<String, Object> result = new HashMap<>();
            result.put("fileName", fileName);
            result.put("originalFilename", file.getOriginalFilename());
            result.put("fileType", file.getContentType());
            result.put("url", fileName);
            ajax.setData(result);
            return ajax;
        } catch (Exception e) {
            return AjaxResult.error(e.getMessage());
        }
    }

    /**
     * 本地资源通用下载
     */
    @GetMapping("/common/download/resource")
    public void resourceDownload(String name, HttpServletRequest request, HttpServletResponse response) throws Exception {
        // 本地资源路径
        String localPath = GpframeworkConfig.getProfile();
        // 数据库资源地址
        String downloadPath = localPath + StringUtils.substringAfter(name, Constants.RESOURCE_PREFIX);
        // 下载名称
        String downloadName = StringUtils.substringAfterLast(downloadPath, "/");
        response.setCharacterEncoding("utf-8");
        response.setContentType("multipart/form-data");
        response.setHeader("Content-Disposition",
                "attachment;fileName=" + FileUtils.setFileDownloadHeader(request, downloadName));
        FileUtils.writeBytes(downloadPath, response.getOutputStream());
    }

    /**
     * 测试数据切换
     */
    @GetMapping("/switchData")
    public AjaxResult resourceDownload(String name) {
        if (StringUtils.isEmpty(name)) {
            return AjaxResult.parameterError();
        }
        DynamicDataSourceContextHolder.setDataSourceType(name);

        return AjaxResult.success(name);
    }

    /**
     * 获取地区列表
     *
     * @param sysArea
     * @return
     */
    @RequestMapping(value = "/getAreaList", method = RequestMethod.GET)
    public AjaxResult getAreaList(SysArea sysArea) {
        if (StringUtil.isEmpty(sysArea.getParentId()) && StringUtil.isEmpty(sysArea.getType())) {
            return AjaxResult.parameterError();
        }
        return AjaxResult.success(sysAreaService.getAreaList(sysArea));
    }

}
